Apple iOS 8 Firmware for iPhone, iPad, iPod Touch and Apple TV devices has been released and already been installed by many iOS general users and developers, But still many new exciting features, functionality, icons, user-interface elements of iOS 8 mobile operating system is yet to be explored, as some of them are hidden or less-known by users as compare to previously available iOS 7 Firmware. So in this article, we will show you Side-by-Side Visual Graphical Comparison of iOS 8 vs. iOS 7 Functionality, Features, Icons, UI Elements Difference and Changes brought by Apple.